IAudioEndpointVolume::GetChannelCount
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IAudioEndpointVolume::GetChannelCount
The GetChannelCount method gets a count of the channels in the audio stream that enters or leaves the audio endpoint device.
HRESULT GetChannelCount( UINT *pnChannelCount );
Parameters
pnChannelCount
[out] Pointer to a UINT variable into which the method writes the channel count.
Return Value
If the method succeeds, it returns S_OK. If it fails, possible return codes include, but are not limited to, the values shown in the following table.
| Return code | Description |
| E_POINTER | Parameter pnChannelCount is NULL. |
Requirements
Client: Windows Vista
Header: Include Endpointvolume.h.
See Also
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